Christian Doyle doyle

19 followers · 8 following

@aha-app
Washington, DC

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doyle / gh-push.sh

Created May 7, 2019 18:16

Pushes the current branch to git hub and opens the PR in your browser

	#!/bin/sh
	# pushes the current branch to git hub and opens your browser to the
	# pull request page for the current branch

	OUTPUT=`(git push origin HEAD) 2>&1`
	URL=`echo $OUTPUT \| sed -e 's/.visiting: remote: $https:\/\/github.com[A-Za-z0-9%\/_-]$.*/\1/'`
	echo opening $URL
	open $URL

doyle / strftime_example.rb

Last active June 12, 2019 19:35

Shows common ways of formatting dates as strings

	# 2019-10-14 14:32:55 -0400
	Time.now.strftime('%Y-%m-%d %H:%M:%S %z')

	# 2019-10-14 14:35:18.969 -0400
	Time.now.strftime('%Y-%m-%d %H:%M:%S.%L %z')

doyle / sidekiq_queue.rb

Created December 10, 2018 20:32

Finding sidekiq jobs

	# Find jobs by class
	Sidekiq::Queue.new('queue').select{\|j\| j.display_class == 'Foo'}

	# Find jobs by argument (foo is the name of the argument and bar is the value in this case)
	Sidekiq::Queue.new('queue').select{\|j\| j['args'][0]['foo'] == 'bar'}

doyle / ruby_prof.rb

Last active May 17, 2019 19:29

ruby-prof example

	require 'ruby-prof'

	RubyProf.start
	# code...
	result = RubyProf.stop

	printer = RubyProf::CallStackPrinter.new(result)
	printer.print(File.open('call_stack.html', 'w'))

doyle / read_headers.rb

Created July 5, 2018 20:34

How to read the headers of a CSV file without reading the whole file

	header_string = File.open(file_path, 'r:bom\|utf-8', &:readline)
	headers = CSV.parse(header_string).first

doyle / rm_bomb.sh

Created May 17, 2018 18:55

Shows how to remove BOM from a file using vim

vim -c "set nobomb" -c wq! foo.txt

doyle / import_mysql.sh

Last active February 8, 2018 01:28

Example of how to import a tar file into a mysql database

gzcat foo.gz | mysql -u root database

doyle / rsync over ssh example

Last active July 8, 2026 01:41

rsync -avzht -e ssh user@server:remote_path .

doyle / encoding_fix.rb

Created January 2, 2018 14:25

Converts a csv file in the windows utf 8 encoding to utf 8

	require 'csv'

	file = ARGV[0]

	rows = CSV.read(file, :encoding => 'windows-1251:utf-8')
	out = CSV.open("#{file.split('.')[0]}_fixed.csv", 'wb')
	rows.each{\|row\| out << row}
	out.close

doyle / group.rb

Created December 30, 2017 21:49

Given a sorted array of numbers will group the numbers so long as they are within a given delta of each other. That is to say will group numbers that are close but once a gap is found a new group is started.

	times = [1,2,4,5,10,12,14,20,22,23,24]
	@group = 0
	@delta = 3

	def group(times)
	times.group_by do \|item\|
	index = times.index(item)

	if index <= times.size - 2
	a = index + 1

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